70348863931 has 2 divisors, whose sum is σ = 70348863932. Its totient is φ = 70348863930.

The previous prime is 70348863919. The next prime is 70348863961. The reversal of 70348863931 is 13936884307.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70348863931 - 2¹¹ = 70348861883 is a prime.

It is a super-2 number, since 2×70348863931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70348863901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35174431965 + 35174431966.

It is an arithmetic number, because the mean of its divisors is an integer number (35174431966).

Almost surely, 2^70348863931 is an apocalyptic number.

70348863931 is a deficient number, since it is larger than the sum of its proper divisors (1).

70348863931 is an equidigital number, since it uses as much as digits as its factorization.

70348863931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 70348863931 in words is "seventy billion, three hundred forty-eight million, eight hundred sixty-three thousand, nine hundred thirty-one".